TA

TA may mean:

* The Territorial Army, the Volunteer reserve of the British Army
* TA Associates, one of world's oldest and largest private equity firms, based in Boston
* the IATA code for TACA airlines
* terampere or Tera-ampere, an SI unit of electric current, 10¹² A
* EMD TA, a type of locomotive
* City of Tel Aviv
* T.A., the sixth album by the post-rock band Trans Am
* TravelCenters of America

TA may also stand for:
* Teaching assistant, a junior scholar employed on a temporary contract by a college or university in teaching-related responsibilities.
** Teaching assistant (United Kingdom), a support assistant working in schools to support teachers and pupils.
* Technical analysis, the study of the trading history of a market to predict future prices
* Terephthalic acid, an isomer of the three phthalic acids
* Terminal adapter, a device for connecting an ISDN channel to a computer
* Traffic analysis, a method of analysing encrypted messages
* Traffic Announcement, a feature of Radio Data System
* Transactional analysis, a psychoanalytic theory of psychology developed by psychiatrist Eric Berne during the late 1950s

TA may stand for the following proper nouns:
* Takoma Academy, a private school located in Takoma Park, Maryland, U.S.
* Telluride Association, an American non-profit organization providing scholarships and summer seminars
* Terminologia Anatomica, an international standard for human anatomical nomenclature
* TextAmerica, a moblog community photo website
* Thayer Academy, a private school located in Braintree, Massachusetts, U.S.
* Third Age of J. R. R. Tolkien's Middle-earth
* Titratable acidity, an approximation of total acidity
* "Total Annihilation", a computer game
* Travelcenters of America, a large truck stop chain in USA and Canada
* Transportation Alternatives, advocacy NGO based in New York City
* Tichina Arnold actress

See also

* Ta (disambiguation), the word
* T & A